Home / 15,521.82-23,272.71-6,642.95

Finding the Fourth Proportional to 15,521.82, 23,272.71 and 6,642.95

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Solution

The fourth proportional to 15,521.82, 23,272.71 and 6,642.95 is: 9,960.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,521.82 : 23,272.71 = 6,642.95 : x
  2. Step 2: Convert to fraction form
    15,521.82/23,272.71 = 6,642.95/x
  3. Step 3: Cross multiply
    15,521.82x = 23,272.71 × 6,642.95
  4. Step 4: Simplify right side
    15,521.82x = 154,599,332.53
  5. Step 5: Solve for x
    x = 154,599,332.53/15,521.82
  6. Step 6: Final answer
    x = 9,960.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.